Home / 451,209.42-676,611.75-268,926.30

Finding the Fourth Proportional to 451,209.42, 676,611.75 and 268,926.30

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Solution

The fourth proportional to 451,209.42, 676,611.75 and 268,926.30 is: 403,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,209.42 : 676,611.75 = 268,926.30 : x
  2. Step 2: Convert to fraction form
    451,209.42/676,611.75 = 268,926.30/x
  3. Step 3: Cross multiply
    451,209.42x = 676,611.75 × 268,926.30
  4. Step 4: Simplify right side
    451,209.42x = 181,958,694,464.03
  5. Step 5: Solve for x
    x = 181,958,694,464.03/451,209.42
  6. Step 6: Final answer
    x = 403,268.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.